111016551616 has 28 divisors (see below), whose sum is σ = 229876666992. Its totient is φ = 53094871808.

The previous prime is 111016551589. The next prime is 111016551631. The reversal of 111016551616 is 616155610111.

It is a super-2 number, since 2×111016551616² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37707955 + ... + 37710898.

It is an arithmetic number, because the mean of its divisors is an integer number (8209880964).

Almost surely, 2^111016551616 is an apocalyptic number.

111016551616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111016551616 is an abundant number, since it is smaller than the sum of its proper divisors (118860115376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111016551616 is an equidigital number, since it uses as much as digits as its factorization.

111016551616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75418888 (or 75418878 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 111016551616 in words is "one hundred eleven billion, sixteen million, five hundred fifty-one thousand, six hundred sixteen".